Medical industry sheet metal processing: 1. Welding forming: the workpiece generally needs to be assembled and formed after the good material, there are a variety of assembly methods, some are directly formed with screws, riveting and other non-welding processes, this forming method is more simple, environmentally friendly, easy to disassemble, but there is a complex design, the structure is not firm enough, the appearance is not beautiful enough, so the general mechanical shell does not take this kind of assembly method, this kind is more suitable for furniture and other office products, the general mechanical shell sheet metal is mostly used for welding molding, the company generally adopts argon arc welding, collision welding, carbon dioxide welding, etc., the workpiece is polished and polished after welding, so that the workpiece is more firm and beautiful. 2. Static electricity